18 years later, who is Fang Zhihao of 2.0 waiting at the hotel?

/kloc-The Final Confession after 0/8 years 2.0 tells a painting dispute in Destined Love 0/8 years ago. Painter Yao (Tan Junyan) took a painting by his former love (Gong Jiaxin) as his own, and under the hype of gallery owner Fang Zhihao (Chen Shancong), depressed Yao became famous in one fell swoop. But what I didn't expect was that Shen Yue was exposed, and their relationship became ambiguous because of interests and feelings. On the surface, Fang Zhihao and Yao are very close, but in private, he is having an affair with his wife Zhuang Ruiting (Tan Kaiqi). In a complicated surge of emotion, Zhuang Ruiting fell from a tall building and died in a pool of blood ... As the truth gradually surfaced, the hidden secret would eventually be revealed. Who is the real murderer?